linux-ext4 - Re: [PATCH 6/9] jbd2: use bh_in instead of jh2bh(jh

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Message-ID: <aaaf9df6-dad5-f405-eb7f-8056ba5e69f1@huaweicloud.com>
Date: Tue, 7 May 2024 21:13:30 +0800
From: Zhang Yi <yi.zhang@...weicloud.com>
To: Kemeng Shi <shikemeng@...weicloud.com>
Cc: linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org, tytso@....edu,
 jack@...e.com
Subject: Re: [PATCH 6/9] jbd2: use bh_in instead of jh2bh(jh_in) to simplify
 code

On 2024/5/6 22:17, Kemeng Shi wrote:
> We save jh2bh(jh_in) to bh_in, so use bh_in directly instead of
> jh2bh(jh_in) to simplify the code.
> 
> Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>

Looks good to me.

Reviewed-by: Zhang Yi <yi.zhang@...wei.com>

> ---
>  fs/jbd2/journal.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
> index 87f558bd2e8a..01e33b643e4d 100644
> --- a/fs/jbd2/journal.c
> +++ b/fs/jbd2/journal.c
> @@ -363,8 +363,8 @@ int jbd2_journal_write_metadata_buffer(transaction_t *transaction,
>  		new_folio = virt_to_folio(jh_in->b_frozen_data);
>  		new_offset = offset_in_folio(new_folio, jh_in->b_frozen_data);
>  	} else {
> -		new_folio = jh2bh(jh_in)->b_folio;
> -		new_offset = offset_in_folio(new_folio, jh2bh(jh_in)->b_data);
> +		new_folio = bh_in->b_folio;
> +		new_offset = offset_in_folio(new_folio, bh_in->b_data);
>  	}
>  
>  	mapped_data = kmap_local_folio(new_folio, new_offset);
>